Adaptor for bicycle rack



FIG. 1 is a perspective view of the adaptor for bicycle rack of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view, the left side elevational view being a substantial mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown throughout the drawing are for illustrative purposes only and form no part of the claimed design. 

The ornamental design of a adaptor for bicycle rack, as shown and described. 